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Lightheaded

Fat-produced hormone infiltrates the brain to slash weight

Abstract:
That slice of chocolate cake is going straight to the hips, many a dieter frets after a splurge. Whether that's true depends in part on the fat our calorie counter already packs, according to new work. The study shows that a hormone released by fat tissue heads for the brain and helps tweak energy balance and body mass. Understanding how the hormone throws its weight around might help researchers develop therapies to keep our waistlines in check.